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Molecular formula : MW : CAS :
nature : 8A (76,076), also known as Fur AL, AL salt gray fur. Scarlet deeply brown powder. Dissolved in water and ethanol, is not soluble in sodium hydroxide solution. The concentrated sulfuric acid solution was scarlet, the color of diluted unchanged. Its aqueous ferric chloride after joining from deep red to deep brown, yellow and brown. Mainly for the fur staining. N, N-dimethylaniline as the raw material, sodium nitrite for nitrosation, hydrochloric acid, iron reduction, the final turned into sulfate salt, filtration, drying could.
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